Finding the Third Proportional to 2,138,836 and 4,755,878

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,836 : 4,755,878 = 4,755,878 : x
2. Step 2: Convert to fraction form
   2,138,836/4,755,878 = 4,755,878/x
3. Step 3: Cross multiply
   2,138,836x = 4,755,878 × 4,755,878
4. Step 4: Simplify right side
   2,138,836x = 22,618,375,550,884
5. Step 5: Solve for x
   x = 22,618,375,550,884/2,138,836
6. Step 6: Final answer
   x = 10,575,086.43